Johnny Test
Young Johnny is gung-ho and full of courage. Johnny's brainiac twin sisters, Susan and Mary, use Johnny as their guinea pig for their outrageous scientific experiments. If they can dream it up, Johnny will do it; as long as his genetically engineered super dog, Dukey, can come along.
Season 5 · Episode 34 ·
Johnny Germ Fighter
Johnny's dad gets fed up with his filthy bathroom and demands Johnny to clean it up but when Johnny uses his sisters' special germ foam and his dad's cleaning products, problems arise as it causes the germs to grow out of control.
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Episode 34 of season 5 of Johnny Test: “Johnny Germ Fighter”. Aired 2012-01-25. Watch it online free on ZapFlix.